Originally Posted by
rm -rf
Like the lockpicking lawyer mentions, it's likely easier to cut the bike rack! Or the no parking sign, etc.
We had a case a while back where thieves cut a bike rack and then hid the damage to make bikes easier to steal:
https://www.bbc.co.uk/news/uk-england-london-35669181
And I've seen plenty bolted to the ground, which wouldn't be hard to loosen. I guess nothing is truly safe.