Every food commercial, advertisement, and packaging in the US is currently protein obsessed. I just bought 3 burritos, and the most noticeable thing on the entire package is its protein content. TV commercials about waffles are advertising that they have X amount of protein per serving. The products in my jobsite's vending machine have protein all over every package.
Yeah, you'd think the least pleasant sounding type of cancer would convince people. I know reducing my cancer risk and having better digestion have made eating beans and fruit a no brainer. And the psylium husk has been a massive boon.
Protein on the other hand. If you don't have a reason to suspect it's too low you're probably getting enough.