My oldest is in the Marines and loves football so I haven’t been able to talk football with him much this year.....
If you ask me, that is a pretty good reason to watch it.
To your larger point, boycotts generally do not work. The NFL could go out of business tomorrow and I would not care but if we are all going to be intellectually honest, we would be boycotting the internet and not be here posting at all because the powers that be that control the internet are way worse than the NFL. Faceplant, Twatter, Screwgle, and Screwtube are all terrible, all run by communists.
Think its okay to like college football and look down your nose at the NFL fans? The flagship state colleges that field the major D1 football teams that people root for are all liberal indoctrination centers. Where do you think the kneelers in the NFL got their ideas?
With a little research, it would not be very hard to find something not to like about all of the large corporations where we all spend our money.
Even if you only watch Fox news 24 hours a day like my Mom does, you are supporting MTV, porn and hollywood with your money because they all split up the revenue from cable subscriptions.
The only way to be intellectually consistent and legitimate in virtue signalling over some boycott would be to stay home, grow your own food, and be totally off the grid...and you still probably could not do it, and still probably would not change anything.