the author literally picked random projects from github tagged as matrix, without considering their prevalence or whether they are actually maintained etc.

if you actually look at % of impacted clients, it’s tiny.

meanwhile, it is very unclear that any sidechannel attack on a libolm based client is practical over the network (which is why we didn’t fix this years ago). After all, the limited primitives are commented on in the readme and https://github.com/matrix-org/olm/issues/3 since day 1.

From your link.