What is Reddit's opinion of Sound Siphon?

From 3.5 billion Reddit comments

I installed Sound Siphon and it works great. It has a discount for educational use, if that suits you. Cheaper than loopback. link: https://staticz.com/soundsiphon/

I have tried to make black hole work and ended up wasting an entire afternoon with no success. felt hopeless like I was trying arch linux and it almost gave me nightmares.

Not a MAC guy...but couple options listed here: https://alternativeto.net/software/virtual-audio-cable/?platform=mac

Also saw some forums that rave about this, but it appears to be a paid product: https://staticz.com/soundsiphon/