I like channel, I even use it as RSS reader. Sticker, Gif feel so much better in telegram. Saved messages, 1 member private channel for quick notes. And telegram has true native app for all major OS, not electron like signal.
The UX for Telegram is spot on for me.
Don't forget about their API. My systems at work send me Telegram messages when things are down.
You can also get one-to-many groups, which effectively act like you were following someone on Twitter.