Well, you picked the comparisons against Towers in the first place, I am merely pointing out observations of the park at the centre of this topic.
Drayton is no better or worse than Towers when it comes to SBNO/closed attractions. Leaving a major coaster standing for over a season before dismantling it with very little communication is relatively poor taste, but we'll skip over that. As for patch and guesswork, well that seems to be what drives the rider experience on any given visit for Apocalypse or Drunken Barrels.
The brutal honesty is you're expecting us to be surprised with what you believe Pandemonium, a ride which was only refurbished three years ago, is set to be replaced by. The last investment with any form of substance Drayton made (minus the pay-per-ride attraction introduced last year) was a rather shoddy touch up to Sheriff's Showdown. Whilst you might see this through rose-tinted glasses, to be blunt it's an appalling effort. Even Merlin's awful cookie-cutter LDC dark rides seem like a Disney effort over it.
The park's escape route of plugging a new, cheap as chips Zamperla model into Thomas Land whenever they get an updated version of the manufacturer's marketing brochure, isn't going to hold its weight forever. More to the point, this is the only track record the park seemingly have to show for themselves in recent years. Thomas Land was once the pinnacle of theming, care and attention when it came to family areas in the UK, but even this is now being done as lazily as possible. It's quite damning to see really.
The only aspect Drayton actually seem to be great with at the moment is looking like a park on life support.