I notice that all the comments that agree with this one point out specific dangers, while those disagreeing basically say "Eh, bugs happen". Yes, you need to k

I notice that all the comments that agree with this one point out specific dangers, while those disagreeing basically say "Eh, bugs happen". Yes, you need to know what you're doing in any language, the difference is whether those things are due to the language or the problem you're actually trying to solve. The more things in the language you have to keep in mind, the less of your domain problems you have room for.