1. Try using pi-hole to block those particular endpoints via making DNS resolution fail; see if it still works if it can’t access the telemetry endpoints.
2. Their ridiculous tracking, disregard of the user preference to not send telemetry, and behavior on the Discord when you mentioned tracking says everything you need to know about the company. You cannot change them. If you don’t want to be tracked, then stay away from Bytedance.
The Discord timeout occurred because anti-ads automod was triggered by crypto-related keywords. I saw the community moderator already explained.
I hope you can know the truth rather than be misled.