That thread is full of FUD (Fear, Uncertainty and Doubt) over an incident from 2015 when there was an integration (now removed, in a desktop environment that is no longer used) that would allow you to search amazon store from your desktop. Ubuntu is just as trustworthy as any other major linux distro.

"Ubuntu Touch is Alive and Strong" @libremax

@joebeach Happy to hear that you have received it. I should receive it in next days. I am also a Patreonsupporter of UBports and I hope too that both projects will succeed and spread worldwide.