Actually, the majority, excluding the aggregate Local Boards, go to the Alternate Cryptocurrencies Section (24,02%), followed by Economy (16,47%).
In terms of subsections, the leader is Ann Altcoins (13,52%), followed by Russian (Local) 12,47%, and then Meta (9,01%).
The complete breakdown can be seen here: Forum Metrics - Section/subsection sMerit breakdown in detail
Regardless of the data, there is no unique tailored suit to getting sMerits. The more versed you are in the content being treated in the section, the more chances you’ll have, but novelty, depth of knowledge, writing style, tone, etc. all may be appealing to some and not so to others.