Here are some hopefully interesting to you videos on USB cables:
Inside a Popular Amazon USB Cable
How USB Cable Quality Affects Charge Rate
Does USB cable quality matter?
According to this video the cheap cable charges at only 2.7 watts while the other two higher quality cables charge the power bank at over 13 watts. That’s a significant difference.
#177 Avoid Surprises: How good are USB cables and how can you test yours?
Everything Wrong With USB-C Cables | Untangled