and then they will wonder why the sales are so low

Yeah the difference in price is kinda crazy. I get that it's a charity bundle but when you more than quadruple the price, there should be some sort of incentive to pay for it.

Indeed, it was my mistake. I based the chart on ITAD, but failed to see that the 7 items there are Steam and itch.io mixed, I thought they were all Steam.

https://randombundlegame.com/ ?

Not added yet I think (and I dunno if it will be).

From the descriptions
$10
"The Queer Halloween Stories Bundle directly benefits queer indie creators and teams, with all sales split evenly among participants who have opted in to receive funds for their work. You're viewing the $10+ Treat Edition of the bundle intended to allow lower income folks to support the future of queer art without jeopardizing their own financial situation. If you are able to afford paying $60 or more, we do encourage you to purchase the $60 Fright Edition of the bundle. Both versions of the bundle include the same items."

$60
"The Queer Halloween Stories Bundle directly benefits queer indie creators and teams, with all sales split evenly among participants who have opted in to receive funds for their work. For the price of one AAA title, you can help fund the future of queer art by supporting these creators and discovering titles you won't find anywhere else."

"The Fright Edition of the bundle costs $60, AKA the price of one AAA game. If money's tight then we also offer the $10+ Treat Edition of the bundle, which contains all the same content, though we encourage you to purchase this version if it would not jeopardize your personal finances in order to maximize support for our participating developers."

So I guess they're saying if you make enough money to afford the $60 that would help them a lot more, otherwise if you're financially struggling $10 shouldn't be that much for 144 games if you really want them.

TLDR: No difference.