Platform diversification

The risk being managed is concentration. One channel, one account, one recommendation system, and a strike, a policy change or a lost login takes the lot at once. Spreading across surfaces lowers that exposure and reaches people who never open your main platform. The cost is attention, and running two accounts badly is worse than running one properly. Diversification also gets confused with cross-posting: reposting the same file everywhere leaves you with accounts on several platforms and an audience on one, because each surface has its own shape.