I make all my designs locally. I've tried open galaxy only once and it's not worthy it, because the main advantage of the open source tools is that I can do everything offline, without connecting to a license server.
The biggest problem with the analog flow is standardization. It is not easy to just clone a github project and run all simulations. This way, it's very hard to reuse designs. It's hard to make a basic block from scratch with the tools, but it's not that hard to route everything at a top level. Commercial tools, as Cadence Virtuoso, have libraries and cellviews. It should be easy to import a library with the desired block and reuse it, as everyone uses the same open source PDK, but it isn't, even if everybody uses the same software with the same versions.
The closest thing we have for standardization is Open PDKs, and efabless open galaxy doesn't even use the same standard path for the PDK libraries, as far as I remember. So, almost every design has testbenches with different library paths. You can't just add them to open galaxy and run everything.