Need meta keywords?

I never really paid attention to meta tags because I kept believing that Google simply does not care about meta tags, but after I was forced to look into a certain problem and I realized that I need to examine this ...

I reviewed some of discussions related to this in various forums, and there needs to be a unique meta description for each page apparently, but no meta keywords? Why is that? Why should we not have meta keywords? Does Google dislike meta keywords?

No, not dislike.

It just doen't do anything with them for security reasons. Google will just not use them, but will not assign a lower pagerank to your website because you DO use them. Using keywords is standard and I suggest you DO use them for engines other than Google. Google might get a large share of the searches out there but if they get 60% Yahoo! and MSN get the other 30%. Understand? A lot of smaller searchengines still use Keyword tags. I don't know right now, but 2 years ago AltaVista still used them.

to be honest they dont do much because people abused them so its kinda at the owners choice really it doesnt make the slightest for most search engines

But many search engines using ...

I dont think google penalize if you use them, but you wont get benefits