Sometimes gatekeeping is a good thing. I don't mind being gatekept from some areas of life, not everything is for me. Mass tourism absolutely has made some places less pleasant to visit, and more importantly, less pleasant to live in.
They did look petty and intolerant. The explosion of popularity of the internet in the late 1990's was done by capitalism. Only a few privileged people had access to the pre-capitalism academic internet. Additional capitalism also made it interesting to the little people so that it's the hugely popular thing it is today.