[ceejayoz]

Oh, we've plenty of evidence of that going on.

https://arstechnica.com/science/2022/03/study-theres-no-blac...

> "Our best interpretation so far is that we caught this binary system in a moment shortly after one of the stars had sucked the atmosphere off its companion star, said co-author Julia Bodensteiner, an ESO fellow in Germany. "This is a common phenomenon in close binary systems, sometimes referred to as 'stellar vampirism' in the press. While the donor star was stripped of some of its material, the recipient star began to spin more rapidly."

[ajkjk]

Well, that's by another star, not by engineering.