Respectfully, it is not, unless you mean that as heavily backhanded. It seems as if Maciej has mostly abandoned any form of customer assistance or help, even for those who've paid money to him.

Is there an alternative? I’ve used Pinboard forever but it’s frustratingly clunky and I’m about ready to jump elsewhere.

I'm pretty happy with https://raindrop.io/.

It used to be, but the sole admin has a habit of just disappearing off the face of the earth randomly.

I paid for the archival and all, but I'm moving my stuff to raindrop and seriously considering self-hosting something.