This is a long thread unto itself, but in an environment where many companies have zero loyalty to their employees and would rather hire more experienced people than train and promote their existing employees who already know the ins and outs of the company...

Job hopping is often the fastest way to more money and more crucially, more responsibility which means more personal growth.

Those days are mostly dead.

While you might pause for fear of burning your bridges by leaving a project in the lurch, staying at a company for over 2-3 years is not the way forward in a career anymore - and that is very much the common advice and wisdom nowadays.

This isn't because young people want to, this is because you tend to get huge jumps in wage jumping between companies, while simultaneously HR seems to be allergic to giving good raises.