Permanent PEI bed. Worth it?

https://clever3d.de/p/pei-dauerdruckplatte-aluminium-guss-feinstgefraest-natur

I came across this bed plate, and I am wondering if it is worth trying. For those who have tried it: When the PEI coat wear-out, will the bed still be usable? Is it easy to replace the PEI coat?