I've discussed this with Tom, Kristel, Diana, Marvin and Oscar. This setting should really be dependent on material since the material influences the speed it can handle the most.
Contributes to issue CURA-346.
Makes sure that the generic PLA material profile has all the same settings as the ABS and CPE settings, so a printer that uses the non-printer-specific material profiles can switch back to the proper settings for PLA when they are merged into the current settings.
CURA-1188