While your info about "infighting, ddos and botnets" might have been true some 4 months ago, it is outdated now. I would suggest you "just ugh terrible, just terrible", smoothen your reaction, because based on false premises it makes you look funny.
I agree, that the HDD space in Burst is used for "nothing useful but ensuring transactions". Well - still the advantage to energy-intensive PoW remains: Burst is about 400x more energy efficient.
At the moment "Chia" is purely on paper and a "former famous guy" somehow involved in it.
They are actually looking for developers and from what I see they have not yet much of an idea how to implement their stuff.
So for the time being, Chia is vaporware. You may think Burst is a shitcoin ... well - your preference to dwell in fecal matter is ... your preference. I for one prefer a real existing and working "shitcoin", than vaporware.