One frequent situation is, that companies are not aware of how bad this can get and their frontend devs have a resume/hype driven thing going on, building it in the new tool, leaving after a few years for greener pastures, leaving behing a ticking time bomb for someone else to deal with. Not so many people stay at the same job 5y+ these days. Companies don't know how to keep their talent and engineers are forces to switch jobs every now and then to keep or improve their salaries.