Because the incidence of fires is very low compared to combustion vehicles.. That said, putting them out is more difficult. The problem is that socially, people over inflate the danger of EV fires and make people shy away from them when they're the best short to intermediate term solution we have for climate change.

It's not covering up the problem, at all, it's stopping the fear, uncertainty and doubt train spread by people who don't like change and/or profit from oil and gas extraction/combustion. It's acknowledging all the facts, good and bad, over short and long term.