Slack is free for users in FOSS communities. So they beat IRCCloud by 5$. Why would people with a question pay those to get into your community? I hate Slack f

Slack is free for users in FOSS communities. So they beat IRCCloud by 5$. Why would people with a question pay those to get into your community? I hate Slack for open communities as much as the next person, but IRC or fixes on top of it aren't really the solution.