Yes no way you want a recovery vehicle out there with a hot track. I guess seeing Leclerc with his car buried into the tire wall just drew a gut reaction from me. I'm sure race control heard the pit to car communication & knew he was uninjured. The corner workers are probably required to wait to be told they can approach the stricken car.Agreed on those changes. And nobody can really argue that people just want a more visible pit lane closure notification because it screwed over Lewis; poor notifications defeat the purpose of closing the pit lane which is a safety issue.
I think the reason why marshals didn't go to him immediately is they didn't want any people or vehicles in the runoff area while there were still cars out on track at speed so there's no chance of another Bianchi-esque incident. Not 100% sure though.