>>That involves using the stacks most popular on the market. This is one of the most unforgettable lessons I've learned in life-- 90% of the dev hiring market

>>That involves using the stacks most popular on the market. This is one of the most unforgettable lessons I've learned in life-- 90% of the dev hiring market is between 4 languages: Java, Python, Javascript and C. Beyond this it barely matters how awesome your language is. The manager at the other end is optimizing for per person cost, and trying to hire as many people as he/she can.