Automation should encode a real customer journey, not exist because a competitor has a flowchart screenshot.
Useful automation needs events: purchases, page views, tags, scores. If your CRM data is chaotic, fix data before building 40-branch monsters.
If you send one newsletter a month to 300 fans, a simple campaign tool may beat a complex automation suite. Complexity has a maintenance cost.
We score automation heavily in reviews because power users live or die by it — see ActiveCampaign vs lighter tools on the main ranking.