I don't get the headline, it's the only place SaaS is mentioned in the whole article. Is there an assumption that all Project Management tools are SaaS? To be

I don't get the headline, it's the only place SaaS is mentioned in the whole article. Is there an assumption that all Project Management tools are SaaS? To be honest the whole article seems a bit disjointed, it tries to be emotive and just fails to present a clear message.