Ugh autocorrect changed the subject and I can’t seem to update or delete the post and correct it. I meant “Install FLOORS or cabinets first”?

I have built 3 custom homes and the flooring has gone in before cabinets on all three.

It depends what type of flooring it is. Cabinets don't get installed on top of floating floors. Otherwise, it's better to do floors first.

Since you say you have a good GC, why are you questioning this decision? Why do you feel the need to push back on it?

Since you say you have a good GC, why are you questioning this decision? Why do you feel the need to push back on it?

This forum can be funny. If you had not questioned, and then the flooring was installed incorrectly, people on here would be blaming you for not asking any questions. You can't win on the Houzz Kitchens forum!

You need to tell us what floors you are having installed. As @catbuilder said, floating floors are installed after cabinets. If you are installing traditional hardwood or tile floors, they are installed before cabinets.

Wall painting is last.

The floors are luxury vinyl planks SPC, 30mil wear layer. Thanks for the advice so far. I’m trying to educate myself so I can ask informed questions.

Sorry, MIller, you're out of line with your accusation. The OP is feeling a need to push back, but it is unclear why. Usually that means there is more to the story than what is being told.

Will the floor be a floating installation? If so, cabinets go first.

Based on your mention that your GC's planning and communication is just okay, I think it's wise of you to double-check things by asking for other opinions beforehand. It's easier and cheaper to make changes before things are built in.