So, I would shut down anything like "Can I get advantage because I've opened the blinds and he has the light in his face?" but would be happy to have players ask "As I opened the blinds, could it be possible that the light coming in blinds some of the enemies?".
The end result might be the same. But they both foster a very different mindset and approach. So, that stuff will happen, just try and encourage players to do it in a way that fits the game environment that you're trying to create.
Maybe I'm just not getting it, but this sounds toxic and terrible to me. Two players can have PCs who do the exact same act, but one gets a bonus and the other doesn't because they didn't phrase the question correctly? I want my game to have consistency. I don't want that consistency to be "pander to the DM".