Perpetual and irrevocable? And with the right to modify, not just display?

You do not need all that.

and "(with the right to sublicense)"

If my company presented such user agreement I would be quickly reported by users to local Office of Competition and Consumer Protection, audited, fined, and ordered to change that.

I think this would be even challenged at the level of "Abusive clauses registry" that office maintains, so the agreement would be quickly overruled in court.

If no specific clause would be challenged, this is an example of "grossly violates the consumer's interests" rule.

How is big tech allowed to push this shit anywhere? How is this legal in civilized world?