If they have to twiddle with Unicode to get around the spam filters, it’s not a real threat.
Z̸̧̥̺̖͍͉̊̈́̇̋̈́̓̒͜à̴̻͍̩͎l̶͍̥̲̤̲͓̮͓͔̻̝̄̎̈́̊̐̈̋͠g̶̼͍̗̥͍͉̅͗ō̸̡͖̰͎̖͚͚̫͖̘͛͛̏́̇̄̾̍̍̀̈́ ̸̤͇͕͍́ţ̶̳̤͔̭̩̫̔̔́͊̎̈́͐̓̐͂͠ͅè̴̡̢̛̥̯̤̣̰̬͉̲͚͚͆̀͑͑̀̔̅͌͘͠ͅx̷̘̻͚̟̟͑̄͜ṯ̷̙̗̖̲̭̪̖͇̻̲̤͒̾̓͗̄̎͐̾̍̍̿͘͜ ̵̢̻̥͔̯̻͗̈́̌́̎̆̀̏͘͜͝m̴̞̱̈́͒̌̋͗͆̇̉̆̚͝i̷̢̛̘͒̆̓͑̌͐̽̔͐̈́̎̒͝g̷͓̪͍̳̰̪͖̫̺͕͒̌͗̔̃͆́̊̑̇̊̈̽h̸̡̨̛͓̞͔̭͍̳̋̃̂t̶̨̧̟̙̉̉̅̎͋͗̈́͠ ̷̞̆̎̎c̷̭̞͎̹̟̜̝̩̉́r̶͔͈̗͔̫͕̂̎̍̅̍̚͘e̶̡̧̧̠͙̥̺̠̝̓̋e̴̖̠̝̙̱̜̳̿͜p̷̬̺̲̝̱̮̪͖̪͚̆̐͋̐̍̆̓̂̕͝ͅ ̵̨̨̛̺͍͙͔̻͚̰̂̾͆̓͊̉̊̒̄͘̚̕͜s̷̫̮̜̯̪̝̐̕o̴̝̪̳̩͈̺͕̫̼̦̹̮̊̔̏̌͑͘͝m̶̨̦̤̩͔̯̄̅e̴̡͖̺̠̤̅̌͛͑̇̀̒͛̔̚o̴̮̊̀̓n̸̢̢̳̲̪͈̲̖̼͇̗̹̱͍͂̐͑ͅė̶̡͎͚̻̜͎͙̟̝̞͍̘̙̗̙̋̓͛̈́̚ ̷̘̎̑̂̍̌̂́̔͒́̃̆͒͂͝ͅö̴̡͕͐̓̽̅͑̽̈́̌̀̈͋͗͘ȕ̸̩̤̺͖̺̩͔͓̙̣̫̭̹͎͉͛͑͐̑̈́͛͋̆̈́̒̕͘t̷̥̤͚̺͚̼̱̠͂̋̅͒̄̈́̄́̈̉̅͐͘͜͠ͅ ̶̧̠̘̫͙̗͚̦̾̽͝e̵̡̟͎͕̲͓̔̿̒́͐̍̔͑͜ń̷͎̗̟͔̳̖͕͔̈͊̓̍̔̽̎̀͜͜͜o̷̝̾͐̏̈́̓̀̃͗̽̀͠͝ų̴̖̩̓̔͐̉ͅg̵̢̫͎͚͔̪̘̐͜ẖ̸̨̯̫̳̀̾̆͌̎ͅ ̸̹̥̩́̿̋̎͒́͠ţ̸̨̙͉̣̺͇̙̭͎̟̿̄͆̀̉̃̀̓͒͘ḥ̶͈͗̀̅́̀͑̐̊́̍̀͒͘͝e̶̫̟̰͂̕y̶̱̹̜̾͗̅̀̌͑͝ ̵̮̙̜͓̝̫̠̉̐̚b̵͙͙̗̥̱̩̯̞̱̏̐̓̒̆̍̏̑̌͌̅͐̕̕͝ͅe̵̛̲͇̙͖̋̊͆̽͂̂͠ļ̵͍̩̗̭̰͕̲̬̟͎͌͑̇́́̾́į̶̳̣̘̮̥͉̯͕͇̰̯̆̃̀̈͛́͗͒̂̓̚ė̷͇̱̬̺̱̗͍̘̞̹̞̣̗̞̌̆͆v̶̛̠̺̦̭̲̘̥͑̊̏̅̃͋͂̀͂͜͠͝ͅẹ̶̺̠̝͖̫̠̽͗̿̿̍̊̀̒̔͘͜͝ ̵̢̨͙̞̤̙̥̯̏̀ͅi̸̢̭̤̙̻̳͑̑̈͒̈́͛̒͐̈́̕̕͜t̴̨̼͈͊̈́͛́̂̆̈́́.̵̡͔̲̈̍͊̾̑̉̋̈̇̑̂͝͠
