The best available choice isn't always one that you want to make. It's fine to hate the idea of voting strategically, I hate it too, but it's naive to think you can positively affect the system by going with the option you want the most.
No, we can say with absolute certainty that (barring any issues with mortality) either Trump or Biden will win this year. I assume others will vote for those two for the same reason I assume that the sun will rise tomorrow.
ETA: I was right about the sunrise. Check back in a few months to find out if I was right about the president!
So you're too lazy to support them and gather votes for them, you don't actually support them then. You're too lazy so you vote for Dems to make yourself feel better