It's well known that Tolkien didn't like many of the things of the modern world and preferred nature, a theme that can be clearly seen in LotR.
This partially had to with the state of some of the technology at that time. Tolkien hated airplanes for instance, since up till then they had been used primarily for war, and were incredibly unsafe. Little did he know that a few decades later we'd have a booming
passenger airline industry, and most importantly that planes could be used for things such as providing aid to disaster zones etc.
Tolkien was also very practical about these things. He didn't mind technology if it was useful. He did use a typewriter, not a pen, to write LotR, and many Tolkien experts I've heard say that had computers existed back then, he would've use them.