[hsk0823]

I think that depends on what you think his new job actually is, and if that actually aligns with what they think their new job is.

Every manager has different ways to lead, every person has different behaviors that make them more or less likely to follow someone who is leading. The whole team needs to work out the right dynamic and be truthful with each other and managers need to be truthful with their employees as well as with themselves.

It may turn out like it often does, great developers who understand the product and project inside out don't automatically make them great managers