• 42 WHALES had 254172 MVests
• 34 WHALES have 211445 MVests

You compared the difference between different number of whales. So, yes, they have less, but there are less of them.

Just like the plankton went from 24k+ to 110k+

The reward pool continues to fill, so it would make sense that everyone is still getting more rewards. More people in a certain category would increase that categories overall rewards.

What you need to determine is the difference of the percentage of holdings between the categories.