It's not just redditors, there are loads that have an irrational hatred for Big B.
I won't go into it and give a pop psychology lecture but it's people that have deep deficiencies of character that are basically allergic to authenticity.
Imagine the mind of someone that spreads malicious rumours about a salt-of-the-earth former semi professional basketball player/boxer like Big B. lies about his upbringing etc. It's just plain weird.