What's with this address 1111111111111111111114oLvT2?
what is 111...1114oLvT2?
  


See also here, it explains in detail on the logic behind „proof of burn“, including op_return.


  
  why 14,270 BTC?
  


We cannot know. Pure speculation would be, that people write scripts, to do a proof of burn. Or also, they could provide a P2SH tx, where the hash of a text is provided. Think of it as „I can proof, that I had a data, that I published as a ahah into the bitcoin blockchain“ (proof of existence). Also one could think of a recurring payout from a faucet or mining contract. We don‘t know.


  
  why unable to decode?
  


answered by Nate