https://wccftech.com/macbook-survives-disables-all-usb-ports-to-prevent-damage-after-attached-usb-c-cable-started-to-smoke/

Purchasing third-party, but uncertified charging accessories for your MacBook can spell disaster in the long run. You might be able to save some money, but it can cost you dearly when you have an expensive machine that’s been damaged extensively. Luckily, one MacBook managed to survive when one user decided to purchase third-party USB-C cables from AliExpress carrying a price of $2 each. The Redditor explains what happened below.

“Like the title says, please avoid buying cheap fast charge USB C cables. Unlike regular USB cables, Those cables use much higher voltage and can seriously damage your devices!