About 2014 there was a big surge of "Fear This!" about animal protein. Those longitudinal studies lumped all animal sourced protein together, so the reported animal protein was mostly beef, chicken, and pork, and included processed meats, which raises some obvious questions..
Besides that, there are studies which found that whey protein might actually be beneficial in preventing cancer or preventing its spread or recovering from cancer::
https://pubmed.ncbi.nlm.nih.gov/29565716/
https://onlinelibrary.wiley.com/doi/...1002/cam4.2517
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4278910/
https://nakednutrition.com/blogs/protein/can-whey-protein-reduce-risk-cancer
https://www.bmj.com/content/bmj/370/bmj.m2412.full.pdf
I also have my own recipe for snack bars which include (shudder) whey protein and (natural) sugar. They're quite tasty and easy to eat, but are not eternal.
On our bike tours, our favorite snacks were toffee coated peanuts and Snickers bars, both of which are eternal and a lot easier to eat than Clif or Power bars.