It depends on the content, naturally it is always advisable to be careful and an encryption for sensitive content is certainly indicated, at least if you do not use a selfhosted service on your own server. Although for this part in Teknik there will be no problems with your Vault, where it is only possible to access with your user ID and password. There is also no multi-national company that controls this service and can delete your content or expel you, which was the case here with Dropbox, Gdrive or other big tech proprietary services.