TLDR:

Pros: is a DE

Cons: is a DE

VirtualBox also has snapshots, which is useful when the VM is used to “play around the OS” and possibly break the OS, such as sandboxing a custom OS build, checking out a malware, etc

Linus Sebastian will ignore all text and type yes do as I say

In the case of house burn down, because Syncthing stores a 1-1 copy of the folder on every device in the network, you would still have your data even a single device survives the incident, such as a phone, or a laptop

Popular projects get more attention, more contributions and donations, and as a result are fast to add features, fix bugs and have a larger community to help each other. I would choose a program that’s comparatively simple and stable than a program packed with features I really like, but full of bugs. I don’t think it’s unreasonable to consider popularity as a metric to choose apps