This article's point of view is that so-called burnt clutch disc usually refers to excessive wear on clutch disc. The obvious situation early on is that clutch is slipping. In severe cases, you may smell a burnt odor.
Firstly, original car clutch of a car with a manual transmission can in principle be used for more than 150,000 km under normal conditions, so if a clutch problem occurs within this number of kilometers, in most cases a lot is related to driving style, not it is possible that this is a quality problem. According to working principle of clutch, wear of clutch disc mainly occurs in semi-clutch state. At this time, clutch disc, pressure plate and flywheel are in a state of rotational friction. The life expectancy will be greatly shortened.
Secondly, an early sign of excessive clutch wear is mainly phenomenon of vehicle slippage. The performance lies in fact that engine speed and vehicle speed are not synchronized when vehicle accelerates. Basically, speed of car is less than speed of car. For example, this is case of Polo, which was repaired a few days ago, after shifting from 3rd gear to 4th, gas pedal quickly increased, and speed quickly increased from 2500 to 3500, while speed remained basically same. The speed was sharp when it was almost 4000 rpm. This is an early manifestation of clutch slippage. If a burning smell occurs at a later stage, this means that clutch disc is worn very thinly and pressure plate cannot be pressed even if clutch pedal is not depressed. clutch disc will also rub against pressure plate.
I hope my answer helps you.
The above is just my personal opinion, feel free to comment/subscribe/like/.