There are various add-ons that do affect security and privacy in a positive way, but I think this is the gold standard. Granted, it's intensive upon the user to allow and not allow exactly what they want to run which can frustrate the average user. But for anyone security-minded that is willing to put in the work, this is the best option you can have.

Uk

I've been using this at ALL TIMES for the past 12y? and I just can't think of browsing without it.
In many cases when "content" is presented as blackmail exchange for enabling scripts I just pass on the deal and seek content free of dangerous scripts.

Libre-js in theory sounds good, but in practice .. it is not feasible to manage, or worthy of trust. Mega-Corps can produce libre-open-free-code and scripts, and still be problematic, as many naive people perceive what they offer as FOSS as "a good thing", and they have no interest in ever wasting a penny to produce "a good thing", unless they are selling it.

Although I DO MISS the old 5.1.. wui I got used to this over the years, but hands down I'd still prefer it over this menu.

Luckily most serious FOSS projects and like minded web-designers produce clean easy to read content without scripts.

NoScript is essentially an extra layer of ballistic glass on top of your antivirus when using Firefox, and goes great with an adblocker, such as Adblock Plus.

A good percentage of malware is spread through sketchy site scripts on dubious sites, and even some ads. A lot of that can be prevented by using NoScript and Adblock Plus.

Remember to allow scripts for sites you completely trust.