> Yeah. 5 ly sounds much safer.

Well yeah.

I clearly could've phrased this better though: I was aiming for "here is an example distance which *is* bad", not as it appears to have been understood "here is the distance where it is *not* bad".

I mostly noticed your "might have an unplesant climate impact by increasing the eccentricity of our orbit", and thought that'd be the least of Earth's worries.

Black hole gravity is ruthless about turning nearby mass into deadly fireworks.