It has a much better UX than Signal, more desirable features, not to mention more users and channels. There is an on-demand E2E encryption for those who want it. Pavel Durov is not on a friendly terms with Russian govt now for those who care about it. You can pay for the service to support the company, get rid of ads and gain some meaningless features.
What's not to like?
> on-demand E2E encryption for those who want it.
E2E is only available as a one-to-one, not a group. It must also be switched on for every chat. Part of the allure of E2E is that an individual who needs it (say, a reporter) is indistinguishable from those that don’t (the general public), and those that are best blending into the crowd (like an anonymous source).
There are other failure modes here (who speaks to whom isn’t necessarily hidden, just the text), but it’s a better starting point than “on-demand e2e for those that want it”.
Just the other day i was trying to share another user with my wife and just couldn't figure it out. I think there were some hidden privacy settings for that user that i wasn't aware of.