In fact, the author of this thread is absolutely right. Every year a huge number of fires and accidents occur because of heaters. There are two main causes: the fault of the person who covered the heater with a blanket, for example, or the malfunction of the heater.
The way I see it, if you want your heater to last you a long time, you should only buy the best ones at
https://www.ukplanettools.co.uk/heating/
They are not very expensive, but they are incredibly reliable and will last you a long time.
I hope my answer helps you!