You replied to a blanket statement with a blanket statement. "You still need hearing protection with a silencer," and "No you don't."

Now you've narrowed the scope.

In almost all cases the firearm becomes “hearing safe” where one does not need earpro.

That's good. But don't pretend you weren't wrong to begin with.

A suppressed .308 report is 147-151 dB. .308 Winchester is by no means an exotic cartridge.

My "semantic" argument is that if you take a hunting rifle out on the range and run it with a suppressor and no ear protection, you are exceeding the threshold where hearing loss can occur.

The answer to "You still need hearing protection with a silencer," is not "No," it is "It depends."