Comment by bangboombang

Exactly my first thought. I like Threema and one of the reasons I was an early adopter is that the founder worked on m0n0wall before, an OSS firewall that I used for a long time, in contrast to it being just some guy I never heard of. It made me accept the closed source nature. Another big factor was that I indeed consider Switzerland to be a more trustworthy/neutral party in general when it comes to global politics, but this obviously doesn't have to apply to every single individual in that country.