If you are at a company with highly automated style checking, strong developer education resources, and a culture of using sanitizers all the time - you can let people learn C++ on the job.
But if you are just writing code with code review from other team members as your only option? Oof. C++ is a barrel of knives. Incredibly safe looking code can actually be filled with horrible horrible nightmare bugs.
If you are at a company with highly automated style checking, strong developer education resources, and a culture of using sanitizers all the time - you can let people learn C++ on the job.
But if you are just writing code with code review from other team members as your only option? Oof. C++ is a barrel of knives. Incredibly safe looking code can actually be filled with horrible horrible nightmare bugs.