This is also reproduce in Firefox for Android if you load the site in desktop mode (the mobile site just redirects to the Play Store page for the Google Earth app).
Bug 1916028 Comment 6 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
This is also reproducible in Firefox for Android if you load the site in desktop mode (the mobile site just redirects to the Play Store page for the Google Earth app).