The problem is that due to complexity accrued over time, the 10% of features you speak about are likely going to be core to the operation of the web's most popu

The problem is that due to complexity accrued over time, the 10% of features you speak about are likely going to be core to the operation of the web's most popular sites (FAANMG). And not supporting those sites means not supporting a huge swath of the population who consider those sites critical.