Content is more important than format for sure. Simple rooms are easy to run regardless of format. If a room is complex enough that the DM has to pore over it multiple times before grokking it, format doesn't matter that much. It's like obsessing over what order to stack the parts in an Ikea furniture box. If it's assembly-required (in the DM's brain), order doesn't matter much.
Restrictive formats like the OSE style mostly work by forcing the writer to cut stuff. The same information presented in standard sentences/paragraphs would work just as well.
E.g. Tim's kitchen room above would be just as easy to run like this:
Meanwhile here's a sanity-blasting (for the DM) room from Arden Vul. This is way too much regardless of format. Any rewrite to make this playable without prior study would have to cut stuff, not just present it differently: