I absolutely hate it when companies rename themselves. I know a company called an extremely stupid name by its young founder and they did not rename for decades and are now worth a bit short of $4T.
Why do the smaller ones constantly need to change their name. Like that changes anything in their substance.
Data point 1: They get a TechCrunch post out of it.
Grammarly is certainly not at the level where TechCrunch post makes all the difference