

It CAN be time based, but there’s also a “hot” and an “active” sorting. Both of which are “algorithms”.
It’s a lot more simple of an algorithm, and doesn’t intentionally push specific topics, but if you open https://lemmy.world/ anonymously, you’ll see a default “All/Active” feed which is sorted by engagement.
They also hate when people donate “supplies” which is usually 30+ year old torn up camping equipment, and old clothes that should have been thrown out.
Just donate money and get out of the way.
If you really want to be a help, donate time before disasters happen so you’re trained up for when they do. Starting to gather supplies and training during a disaster is far far too late.