I'd say that spam waves of this size are quite common on Super User for example. And perhaps also on Server Fault and Ask Ubuntu. But I do not remember something comparable here on Mathematics.
Claim: every number of the for 1111...... in base 2 can be converted to 1 after using the collatz function n times
I will be using induction
assume a number which is of the form 1111..K(times)..11 is traceble to 1 after some n number of steps
now if we prove it for $(K+1)times$ we are done then...