This isn't a professional production, I can't rely on other people to do voices, though I have gotten more voice actors for future episodes. As for the animation and art style, this series has run for 8 years and has always been about providing a few laughs, putting more focus on the writing as you've noted is good, and not being mind blowing animation. It's not laziness, it's an artistic decision. There's nothing lazy about anything animators do, it's a lot of work. If I were lazy, these wouldn't even exist. ;)

Oh, and I don't know if this is the only episode you've seen or if you watched the original series, but I attempted to take Gooch, the green blob, out for the rebooted series and received major backlash... a lot of people like him. Agreed he hasn't been featured much in the first four reboot episodes here, but he's pretty important otherwise.