[jeroenhd]

Likely because keeping your place in audio playback doesn't bring in as much cash as a cryptocurrency deal.

If Signal can get a decent amount of money from this crypto scam, there's a good reason to implement it over some minor usability features. Free users don't directly bring in any cash, after all.

[WrathOfJay]

And many of us switched to Signal due to bad-faith money-grubbing behavior of a certain other company. There was an illusion of free, safe, "by the people for the people" and by implication, commercial interest and profit wasn't the driving force.