Hahaha, I think you’re giving me a bit too much credit - I was just curious enough to run some tests on my own, then share the results when I saw a relevant post about it!

My interest in image compression is only casual, so I lack both breadth and depth of knowledge. The only “sub-field” where I might quality as almost an actual expert is in exactly what I posted about - image compression for sharing digital art online. For anything else (compressing photos, compressing for the purpose of storage, etc) I don’t really know enough to give recommendations or the same level of insight!

Edit: fixed typo and clarified a point.