FYI - we are committed DIYers. We''ve done trips all over the world independently.
When preparing to do a trip to the Galapagos in 2018 I researched the heck out of options (including the extension to MP).
Keep in mind that the Galapagos National Park has very strict licensing rules. The number of guests in any given spot, the duration of the visit and the number of times a place may be visited are extremely limited. Many small tour operators do not have the permits or capabilities to visit some of the outlying islands.
We choose the Xpedition (before Flora) for a number of reasons - the number of guides and passengers allows for a nice variety of options each day, you could be as active as you wished, or sit on deck and enjoy the scenery, the number of stops/ports (this is extremely important - all packages are not created equal), the types of experiences offered; hiking for all levels, zodiac tours, kayaking, snorkeling from beach or advanced, cultural opportunities, previous reviews, etc. The fact that X takes care of you from landing to leaving was a huge factor when traveling to the GI. I can't imagine anyone thinking the trip may be too sedate for them. We originally thought that we would travel to Peru and MP on our own following the cruise. After tons of research, we added the extension with Celebrity. No regrets whatsoever!
Is seven days enough - heck NO! We returned in October of 2021. It is one of the few places that I'd never get enough of. The experience was so different and just as magical. We chose Xpedition again, this time only 40 passengers onboard.
If we did not have so many other destinations on our bucket list, I would love to return again, and again.
You get what you pay for, A trip like this is not the place to cut corners.