Yes it is a safe and secure wallet. I am pretty sure with that. It's been operating for more than 2 years already. It's widely-used, tried and tested.
Atomic is a great crypto wallet. I've been using it for a while and haven't noticed any security issues.
One of you has all his posts about atomicwallet and the other woke up from a long period of inactivity (last post in 2018)
You're just making your product lose any credibility it had.