This may be true maybe 10 or 15 years years ago. Nowadays it simply not true. USB is stable, fast and reliable. It may be as reliable as SATA, provided You use reliable components (same applies to sata or scsci cards). This is yet another connection type, not that different from SATA in terms of reliability, in some cases better. I've had bunch of drives connected to my old Dell T20 both with SATA and USB (parity being connected via USB), worked for last 5 years quite heavy workload 24/7 without any single failure (unless when mechanically disk failed, and in sata port btw). No even single parity check error over all that years.
Recently migrated this setup because I wanted reduce overall power consumption to this:
https://www.ebay.co.uk/itm/134126999249
(this is actually comparable in terms of performance to my old Dell's xeon 1225, only marginally slower in passmark) with TDP 10W instead of 80W. You can have something much much faster if You need, and say, You are okay with 15W TDP: https://www.cpubenchmark.net/power_performance.html#scatter-cpu
and this
https://www.amazon.com/Mediasonic-SATA-Hard-Drive-Enclosure/dp/B078YQHWYW/ref=sr_1_1?crid=1GXVLOSGI8CQQ&keywords=mediasonic+usb+3.1&qid=1653968093&sprefix=mediasonic+usb+3.1%2Caps%2C172&sr=8-1
with 4 16TB segate exos. Again, so far I'm very happy with the setup. Absolutely no problems. And I have 46TB NAS averaging 42W power consumption.
(same enclosure is sold rebranded by IcyBox or Fantech).
Provided - this is my home nas. It's not enteprise, mission critical system on which critical systems may depend. Good enough and cheap enough and future proof.