You basically just need to fetch snippets once, after that you could even commit them to the repository. After first project opening it will load snippets to .vscode/snipsnap.code-snippets
You can read more in readme.
Since it also fully open source project you can run even your own snippets server under your private network.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
You basically just need to fetch snippets once, after that you could even commit them to the repository. After first project opening it will load snippets to .vscode/snipsnap.code-snippets
You can read more in readme.
Since it also fully open source project you can run even your own snippets server under your private network.