i just dont get some people

i just dont get some people. i was in this group for adoption. well i made a post about our fundraiser page and shared the link (main you i have seen others do that) but i get told to delete it. dont get me wrong i dont mind do it but when people start being mean to me about it i will delete and move on but i just dont get how others can make post about fundraisers for this and that and i cant. so needless to say i am not in that group no more and i will not be joining back. i dont think they was given me much support in this anyways so there wasnt no use for me being there. i think we all should support one other and not just sorten people.