You are right, that is not clear. I've added a note and link (https://github.com/breck7/breckyunits.com/commit/61792237c0b...)

"The M1 laptop was the first consumer machine I tried where the performance of this system wasn't abysmal." - https://breckyunits.com/building-a-treebase-with-6.5-million...

Thank you!

Thanks for the explanation. :)