The difference is that Integromat is less fungible than, say, GitHub. If GitHub were to shut down, I could move to GitLab or my own Gitea instance, and it would

The difference is that Integromat is less fungible than, say, GitHub. If GitHub were to shut down, I could move to GitLab or my own Gitea instance, and it would be a fairly easy adjustment (mostly just changing the domain name everywhere). If Integromat shuts down, you have to completely rebuild your workflow on a competitor's platform because they're not based on a common protocol.