Does it matter?
Why has @Newman6 blocked me.

@Newman6 has blocked me. Why!
Your too good at blitz, which made him depressed.

To answer the OP's question, @Newman6 has blocked you because of your incompetence at grammar. Instead, the topic title should have been "Why has @Newman6 blocked me?"

Never end questions with full stops are taught to us in 1st standard and I'm not even from an native English country
@Newman6 has blocked me. Why!