You are confusing words. In the context of the OP, "having many options" doesn't mean indiscriminately hoarding everything. It's like making choices in chess that result in having more options for moving pieces. The "premature optimization is the root of all evil" saying is an even more lacking analogy, but it conveys a similar idea. In other words, the advice to increase your options applies even if you dedicate your entire life to just one thing.