If it is true that...

Rapid growth is what makes a company a startup

and

Fundraising is distracting and can halt other operations in a startup

Then it must be true that...

A startup should either be in fundraising mode or not

If it is true that...

Fast growth makes startups attractive investments

and

Rapid growth is what makes a company a startup

Then it must be true that...

Investors can't wait around if a startup is growing fast