One can tell you have probably never written anything longer than a snarky comment comprising of a handfull of sentences on
If by this you infer that Martin is a 'Grumpy old man' then you have to be, at least mentally and intellectually, a 'Hasty immature child'.
Wordperfect on DOS was close to perfect for writing. WordStar was not far behind and, in fact, provided the virtually standard program editor keystrokes on microcomputers for many years. You could write as the muse took you, never needing to faff around with a mouse, or wave your hands against an increasingly greasy touch screen. The modern GUI type interfaces may work well for 'bears of very little brain' but real writers much prefer to get ideas from their heads into the computer with as little interruption and distraction as possible.
Why not go research a little more, before being disrespectful to someone who has likely been far more productive and successful than yourself, and subsequently shooting your mouth off.