What did the zKSync project do? They took more than 60 percent of the drop for themselves, why did they do that?

There is very little money in the market right now, including for projects.

In order to keep the price at a reasonable level, the project has two options: either invest real money in market making, which would cost billions of dollars in the case of zKSync, or distribute a large part of the drop to themselves so that this mass of tokens does not put pressure on the price downwards.

The developers of zKSync chose the second, the only possible path