This is my understanding as well, though
Stupidkiller has a fair point too. It can't be released in Discord for the reason
Stupidkiller suggests because there is a direct link in WWG's Patreon to WWG's Discord.
But as
OmegaZero21 suggests, as long as there is no direct link/hyperlink from the Patreon to the Subscribestar, then this technically does not fall under the ToS? I put a question mark there because I have not actually read Patreon's ToS, I am speculating. But even if it's not implicitly against Patreon's ToS to do what I'm suggesting here, it could still be in a gray area, which might cause problems later on down the line. Which is why I suggested this as a temporary solution at best.
If Patreon shuts WWG down anyway, despite changes, then it's either another platform (like Subscribestar), or WWG has to potentially make his own website people can sub to/where he can sell his products, or find another site that can host/sell the game (like the affect3dstore.com).
The simplest solution that I'm sure WWG is hoping for is that Patreon approves his changes and allows him to continue with business as usual.