You’re right the current rules need changing since racing drivers will, by their very nature, go as fast as they can get away with.
I think using a virtual safety car in that sector would be the best thing. Obviously that raises 2 problems – the cars suddenly slowing and some drivers being disadvantaged while others are fine.
The slowing I can’t see as a problem since the car behind will have to do the same and to make it fair for everyone they just need to keep the vsc out for exactly one lap then go to a single yellow for a while.
There could still be a few issues with cars gaining as the vsc ended but that’s for people more knowledgeable than me to work out.