"what's the problem with losing their VP so fast"
Simple, it restricts your options. You can no longer give a larger vote to a high quality post you come across.
"This is not a game to show recognition, appreciation and support distributing more votes without any monetary value."
Thanks for being the unelected arbiter of "what this is." What other insights do you have for us with no provided evidence?
"The only way to show the former, to a great author, is commenting."
I advocate this relentlessly.
" And voting when you have something of value to give them. "
Ah, so it is all about money for you, after all.
"And just like that, you as a curator will see your ROI increase"
If you believe this, you don't understand the basic curation formula. Weight of vote is a coefficient. 1x 100% vote is the same as 100x 1% vote, ceteris parabus. I spread a much larger net with my method, and whether you like it or not is irrelevant - you have no good reason to control my behavior, or in this case, the behavior of minnows who do not have a slider and explicitly are saying they want it.
Stop arguing against options for people. That's what statists do.
By chance, do you speak or understand Spanish? }:)