Since 8.8 version when sharing anything the direct share feature is broken. It's enabled in settings but still you will get NO telegram contacts (targets) to share to. You will get Whatsapp and Duo and other apps with contacts but NOT Telegram. Until 8.7 it worked but also wrongly as the suggested contacts were useless (random). But they were there. Please see https://bugs.telegram.org/c/979 . If you can fix both of those issues you will get more people using Telegram. If every time you share all you get is Whatsapp do you think people will share to Telegram ? I am waiting for year and half for the first issue but now it's "solved" as I have no target at all. I tested this on OnePlus with Android 11 and the bug is also there.
Telegram Android 8.8.6 (27252), Samsung Galaxy S22 Ultra, 12 S? (31)