Well, I don’t know if that’s “speculating”. 
“…probably the best keybed you can find” must be Poly AT, right?
"We are currently working on a new synth that is probably going to be released in 2024. And for the first time, it will have keys and it’s not going to be a desktop synth. So far we haven’t used keys mostly because of the manufacturing process and secondly, because it’s not that easy to find actually good keys. We’re now planning to use a Fatar keybed which has probably the best keybed you can find. But they do make a ton of difference when you play them so I decided to have the best possible keybed for our first synth with keys .
Here is the full interview: