Like to think they engineered appropriately to be safe.
If they are smart, they engineered it for idiots, so it would stand up to someone leaving it in place and then trying to close the cylinder with hydraulic pressure.
That would have to be much stronger that something that just needs to oppose gravity and hold up the weight if the hydraulic pressure in the cylinder went away.
A section of pipe with the right ID to match the OD of the ram would be my choice, cut it in two length wise and you have one for both sides. Both with 180 degrees of contact.
How much are you willing to bet? A life?
You put your life at risk all the time knowingly or not. If you didn’t, you would be sitting in a cave somewhere.
January 28, 1986 seven people were willing to risk their life to take a trip into space. It wasn’t cold or hot rolled steel, 7075 Aluminum or titanium that caused their deaths, an O-ring failure was all it took, seven lives and 1.7 billion dollars, gone.
Closer to home for us would be that teenager fiddling with their phone hitting us head on…