It's because the number 8 rhymes with bait. It became a ludicrous, rather unnecessary trend to accuse posts of bait and therefore rate posts based off of the users assumption.
Mind you, bait is so commonplace on HLTV at the moment, I'm not surprised.
gr8 m8 no d-b8 i r8 it an 8 i h8 2 b in an ir8 st8 but its my f8 hey m8 i apreci8 that u r8 it gr8 u wanna d8 and mayb masturb8 i can ask n8 and we can meet at the g8 dont b l8 gr8 b8 m8 i r8 it an 8/8 plz don't h8 gr8 b8 m8 cant even h8 so I r8 8 outta 8 Gr8 b8 m8. I rel8, str8 appreci8, and congratul8. I r8 this b8 an 8/8. Plz no h8., I'm str8 ir8. Cre8 more, can't w8. We should convers8, I won't ber8.