more smaller safer faster better
Memory protection and multitasking is an old 'mainframe' paradigm,
Now smaller processors are ubiquitous why multitask ?
We can afford a processor for each process.
Remove the complication of memory partitioning and checking.
When we see fuel supply interruption because of ransomware,
we just have to ask why those business processes haven't been compartmentalised and air gapped.
They deserve to be hacked if their critical tasks are being carried out on the same systems where idiot office assistants are wasting their time on Facebook, looking at porn and being tricked with social engineering answering fake emails.