Speed isn't what bothers me, it's the feel of jamming my fingers into a glass slab, combined with the helpless frustration when I type something and autocorrect changes the preceding words, and I have no arrow keys and touch-moving-the-cursor is so poor.

This happens several times for every sentence that isn't pure English literature and includes some kind of custom caps, word, abbreviation, number, code, contraction, name, or whatever.