Understanding the "Like" option

i just joined this forum a couple of days ago and have been quite impressed by what ive found here

however i just dont understand how the "like" button is supposed to work, i read the rules here and found that its best to be an established member as you get a couple of perks and also it encourages you to contribute some helpful posts which would benefit people

so this is exactly what ive tried to do, now someone had posted in one of the sections about how he wanted to build his first pc, i was the only person who responded and gave him some good advice which will probably save him from damaging his expensive pc parts

now this guy is an established member and even thanked me for my post and advise however he didnt like my reply

which leads me to believe what ive read on another thread where someone wrote the best way to get likes is to have some funky girl name with a pic of some eastern european chick wearing as least as possible....

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