It’s completely fair to share one’s reasons behind why a project isn’t for them. Docker doesn’t change any of the fundamental concerns with a PHP based project. It might reduce the amount of direct exposure required, but for a piece of software that is meant to become the virtual center of your life, it’s still completely fair to be unconvinced.

I’d argue that Docker just shifts the problem slightly, while introducing a new set of challenges. It’s unclear if the net benefit is even a positive number.

Even if one doesn’t intend to contribute to the core project, it’s going to be necessary to get a bit intimate with the stack over time: upgrades, the inevitable bug that requires some troubleshooting, etc.

I found the parent comment both reasonable and constructive.

You may not have the same concerns, and that’s perfectly ok.