You are in the fedi, a fringe social space generally uses by IT focused people. People love their linux here because these instances are probably all hosted on Linux. People are here because they left traditional social media.
I’m not saying veganism isn’t welcome here. You just have a ton of tech people here. If reddit tried to ban vegans instead of punch advertising down people’s throats you would have more vegans instead of people who use Firefox.
The strap is also easily replaced. I found a replacement one by going to the dollar store dog collar section and cutting it to length.