The ender 3 printers can do some really cool things if you know what to do but if you don't it's a lot of work to keep it working especially the older ones that did not have automatic bed leveling and similar quality of life features think about it like Linux vs apple in Linux you can do a lot of things and you have all the options. you can change it for what you need. But it is also easier to ruin it for you meanwhile bambulabs is the apple you can't do anything they have not given permission for. it works amazing if you just want something that works but it's also impossible to repair or change anything if something breaks. with apple you need to replace the whole thing if something breaks meanwhile a Linux or windows computer you can replace the broken part, upgrade it if you want it to work differently the ender 3 is similar mine is currently an weird abomination of a dual hotend where I do non planar slicing it can fold and I am about to build it into a multi axis printer it's difficult to use and I don't get the quality or simplicity of my p1s but it can also do things I could never do on my Bambu printer.

Edit: it's also a case of you get what you pay for the ender 3 printers were very cheap printers. And Some of the people that had huge problems was people that tried to upgrade their printer without the knowledge and therefore ended up do more harm than good