Thankfully sawzalls are cheap and plentiful so people can use much safer practices to disable/remove them:

https://www.cbc.ca/news/canada/toronto/parkside-drive-speed-...

The comments is written as if you specifically advocate for this. Why?

I bet if you come back after they've removed the old one but before they install the new one you can wreck the threads on the threaded anchors by impacting the wrong size higher grade nut on.