Take this with a grain of salt, but it really sounds like SLOP was resurrected from the fact that Nintendo had to take its spot in the Lower Lot. But, follow me here, with the limited space to not fit Yoshi for Nintendo in Hollywood, they used the money for the ride design (which was already approved) and made SLOP out of it. Feels like a backdoor way to get two separate experiences with one batch of cash for Hollywood.
I am really interested in seeing if Yoshi and SLOP are identical experiences.