Marketing automation tools such as Hubspot aren’t a panacea.
Definitely, they can automatically email drip campaign, let you make the landing pages, and help track leads an optimizes the website. But they are not tools that automate your marketing.
You still need the people to write and design emails, run split, and lots of tests. However, use the analytics to create intelligent marketing decisions.
In other words, they’re tools that should complement the marketing team, not the other way around.