I think the issue is that they want people who use it less than 10 minutes a day to still make progress and feel they are making a lot of progress. Following sp

I think the issue is that they want people who use it less than 10 minutes a day to still make progress and feel they are making a lot of progress. Following spaced repetition rules they can only add minimal amounts of vocabulary and they need to spend that vocabulary on intros to new themes that can be completed in 30 minutes or less. Older versions were a little less tuned to keeping the large audience, did typing without seeing the options, and went into some areas of interest of members of each language group. Reverting any of which would be improvements for teaching the most engaged users at the cost of losing 10X as many barely engaged participants. It is the general problem of tuning content to learner's with out an outside authority preventing tuning to learner laziness.