A deep dive into the podcasting pool

At this time, there are more than 700,000 active podcasts, according to 2019 Podcast Insights, which does beg the question: “Why would I – in an oversaturated marketplace – go to a workshop to learn how to podcast?”
Is it the possibility of turning it into a side hustle, and supplementing my income with donations from a loyal fanbase? Is it getting noticed specifically for my voice in a medium that isn’t full of gatekeepers?