Why do you think you were 'hard blocked'?
If you got the regular nastygram from Amazon, it mentioned a requester's name. Who is the requester?
Keep copies of everything!
The online contact form for AMT support is a webmail thing which doesn't keep a copy of what you said.
Whatever you write them, save it as a text file.
Persistence is required. AMT Support often doesn't know
what they are doing.
They refused even to tell
@Janthir the ostensible reason for his suspension, although they did eventually reverse it.
Good luck!