This is an interesting remark that gave me some new insight into Arabic culture.
That said, free speech wasn't a value in much of the West either, much less in places like Taiwan that are now democratic. Most of Europe was pretty conservative in the 19th century and the revolutionaries who fought for liberal values were mostly educated city folk, a smallish class.
The value of free speech is in the fact that it prevents the country from committing some serious mistakes, or at least reduces chances thereof. Authoritarian systems look awesome from the outside, while democracies with their free speech are obviously messy and chaotic. But in the long run, authoritarian systems tend to commit fatal mistakes like going into an all-out war that they lose (it is happening right in front of us in Ukraine), because no one dared defy the Emperor.
The stability of yesteryear is now gone. With the Internet, any idea can reach any audience in milliseconds, and Arab societies, like those conservative European societies earlier, will have to live with the inherent chaos. IDK what is means for the future of Islam; Christianity in Europe has already collapsed or is (demographically) collapsing. Even in former strongholds like Poland, the majority of young people are no longer religious and this trend, once it sets in, has proven almost impossible to reverse.
I noticed the same trend among youngsters in Turkey, though Turkey isn't an Arab country; but it is an important trendsetter in the Islamic world.