His wealth and power has all to do what he invested his money in. He didn't spend his money on buying clothes, otherwise, he wouldn't be where he is now. Now, that doesn't mean he literally wasn't buying any clothes, whatsoever, or he didn't ever buy a piece of expensive clothing. It's just he wasn't spending money on clothes he couldn't afford.The point is that his wealth and power has nothing to do with his clothes. He could’ve spent $1000 as a student at Stanford buying Gucci socks and it would’ve made no difference to Facebook being founded and him being wealthy.
The problem is, you're applying this faulty logic where you're thinking if he spent x-amount-expensive on a clothing item out of the money that his parents gave him, or bought any expensive piece of clothing out of his own pocket as a one-time purchase, that it wouldn't have changed anything. What I'm trying to tell you is, and running off that meme, he wasn't living a lifestyle of where he was buying expensive clothes. The broke person in that meme you posted isn't just making a one-off purchase of buying expensive clothes -- that is their spending habits when they buy clothes. If Zuckerberg had the spending habits of buying a "$1000 Gucci belt" when he was broke, he wouldn't be where he is now.
One-time purchase =/= spending habits.
It's ridiculous this has to be pointed out to you.