> What's not trust worthy exactly?

to:

> Their code, their decisions.

It's okay to be a fanboy! Evangelism is needed for any great product/company/ideology. But on HN you'll get typically called out for disingenuous or bad-faith lines of rhetoric.

The person above gave you a perfectly reasonable answer to your original question of "What about Signal is not trustworthy?". It'd be kind to acknowledge that they at least have a single iota of merit.