Completely agree, and it’s just as bad from the buyer’s side.
Simple Delivery completely blocks direct messaging between buyer and seller. If there’s any issue with the order, the buyer has no way of contacting the seller at all — the only option is to open a dispute once the eligibility period kicks in.
On top of that, eBay customer support told me they won’t contact the seller on the buyer’s behalf — the seller has to call them. So as a buyer you’re essentially stuck with no communication channel and no support.
It’s a terrible experience for everyone involved. eBay really need to rethink this.