1. It is AWFUL for lighting. Shadows and glare. 2. There is no 2.

The wafer lights that have taken over from can lights provide much better quality lighting and solve some of the access issues that can lighting had, as they are super thin surface mount and only require a standard electrical box.

The current tech of the lights you're considering will use led bulbs. 13 Best Kitchen Track Lighting Ideas 2024 – Upward Lighting: Outdoor Architectural Led Lighting Manufacturer in China Leds are available in different 'colors' of white from 2700k warm to 5000k stark white. 450 lumens at the counter is the recommended minimum. If you position the light source 6" in from the counter edge, your body won't create a shadow. Two offset lights for a work zone helps that too.

Track lighting is a statement piece. Much in the same way as a pendant (and apparently you have more than one there). They work well in commercial retail uses, and probably were inspired from there in popularity for a time in the last millenium. For most residential situations, you want the ceiling plane to disappear and not overpower from the walls, window view, cabinets, or something else. Which is why recessed lighting gained in popularity.

Note wafer lights do not provide a better lighting experience than traditional recessed lights with regress. Their conception is to solve for one equation only - slimness to mount within the ceiling plane. They do not mount to a ceiling electrical box, those are different lights and are just called flush mount ceiling lumenaires made to resemble recessed, but is the same category as a boob light.

Note you do not want to put lights located 6" in from the edge of counter if those same lights are simutaneously needed to provide lighting into the base cabinets below them, you want them aligned nearer with the counter edge.

Note NM-C is NM for wet locations, which I don't even know if it's available, as most would use UF for exposed wire. You probably have NM-B behind the wall which is the typical.

A picture or drawing of the entire kitchen area and window counter wall would help provide specific advice. But it sounds like you are looking for a fast, easy fix, and a track light would give that to you.

Spiders love them. People, not so much. They do not provide diffused general lighting like a good wide beam recessed light, or even wafer light. They are mini spotlights, and so create shadows when you have multiple ones. I have a tile showroom that I frequent that is lit by track lighting. It is impossible to get a good picture of the material, because there is always your shadow in the way.

This is the work-in-progress counter wall. Quite a bit remains to be done, but you get the general idea.

I want a lot of daylight spectrum light on that counter, from the far (left) end that will eventually have a countertop oven on a shelf, the middle which is the primary prep zone, and the near (right) end that is the dishwashing zone and (out of picture to right) will have some beverage stuff.

I’m not too concerned about it being pretty because, well, look at that kitchen. Easy and fast would be good since this is a DIY job and I’m running out of time to get it finished before the holidays.

Linear LED. Either recessed plaster in, recessed flange if you're no good at plaster, or surface mount. It's what they use in commercial kitchens, which you seem to be building in your house. Check out https://www.pureedgelighting.com/

This is super helpful, everyone. I snagged something on Prime Day that should be easy to install, work well, and was inexpensive. I’m actually going to put a receptacle up there high on the wall and pigtail the lights so they simply plug in. Unlovely but functional.