As you become more familiar with the deck's strategy, you can fine-tune it to match your playstyle or meta, making it a great starting point for building your own unique Commander deck
Firstly, The Deck was running a very greedy manabase anyway and was also splashing red for some utility, so it could afford to run Regrowth if it was already relying on City of Brass and Undiscovered Paradise
If there is one archetype that springs to mind when I think about hexproof creatures its Bogles, or maybe Voltron strategies
I think some people just assume that its only misogynists, perverts, and brain-dead morons who disparage women in MtG, and while some of those do exist I think the reluctance of many to accept women into MtG is more complicated than that
Id say the most useful deck for a lot of red mana is Ashling the Pilgrim stuffed with expensive, powerful things like Gratuitous Violence and Dictate of the Twin Gods