The votes still represent something in my opinion, that's why they're there. And I really don't like it when I spend time writing, sometimes researching, formatting and somebody just says „no, this is shit” without even reading the first sentence, because they can just do that.
I tend to leave really long comments, sometimes with a bit of raw information, so I see how that can be the case. Some communities like reading all the way trough, but I'm pretty sure that in some places, they don't even read my username, just vote based on my avatar.
Not all people can afford a $1000 laptop, and in most countries, it's considered as a really big price