Even a python takes maddeningly long for larger tanks. Over time I've accumulated 4x25 foot lengths of python so when my 125 was in the bedroom near the tub I would fire up all four of them and drain into the tub. That was fast, but that was the only tank I could do that on. On the 220 and my other 120 I have to combine them into two 50 footers and that takes a while. This is why they'll be on drips.
But my favorite technique is a 1" dishwasher drain hose attached to a 950GPH pump. That gets rid of the water nicely. I just have to anchor the end of the hose with something heavy so it doesn't flop around and start pouring water all over. And I have to keep an eye on it to make sure the drain can keep up with the speed!
Anyway, I share in the surprise of learning that people with monster tanks still use 5g buckets. I'm a weightlifter and am all for fitness but that method is just not efficient and can lead more easily to messes and spills. I use buckets for random little tasks but can't imagine doing 25 buckets full (realistically that's what it is, since you don't top it off at 5g) to drain and then refill. That's just nuts.
Anyway, there are all kinds of adapters for sinks. I haven't gotten one for the detachable hose on my kitchen sink because I have the pump, but I know they make them. My utility room sink has one of those narrower faucets and I just have a little silver piece that screws on over the edge that then the python adapter fits right on. Thankfully I never have to remove it... at an old house I had it on the bar sink and had to remove it all the time, and it is SHARP. I sliced my fingers on it several times.
What someone needs to make is a python adapter that lets you use 1" hose instead of the 1/2 or 5/8 that it is. Even 3/4 is way faster. You'd still be limited on the speed of the refill but the draining would be nice and quick.