Trend-chasing alone has a ceiling
Jumping on every trend can produce short-term view spikes, but it rarely builds a durable audience on its own. Viewers who find you through a trending sound or hashtag are there for the trend, not necessarily for you — without a clear reason to stick around, most of them won't. Accounts that only chase trends often see views without a corresponding growth in followers or repeat engagement.
What content pillars actually do
A content pillar is a consistent theme or format your audience learns to expect from you — a recurring series, a specific type of breakdown, a signature angle on your niche. Pillars are what turn a one-time viewer into a follower, because they give people a reason to come back beyond "that one video was funny."
The actual strategy: pillars as the foundation, trends as the accelerant
The most sustainable approach treats your content pillars as the core identity of your account, and uses trending hashtags, sounds, and formats as a way to get individual posts extra distribution — without abandoning what makes your account distinct. In practice, that means: pick 2-3 recurring content pillars for your niche, then check daily what's trending and look for a genuine intersection with one of your pillars, rather than posting unrelated trend content just because it's trending.
TrendStack's "Create a Post" tool is built around this — it generates content ideas and hashtag stacks tied to your specific niche, so trend-chasing stays connected to a consistent identity instead of pulling your account in a new direction every day.