So many reviews where no one has humans at the front desk (just kiosks) and you're not allowed to use the fridge because it's full of minibar stuff with sensors that charge you if you move it. Also, moth infestation at Mandalay Bay, fyi, lol. "My" Tuscany Suites place isn't available for my December trip so I'm looking around. It seems like everywhere under the Bellagio/Venetian price level is annoying (things like keys/phone not working to operate the elevators and no humans at front desk to help) or gross/dirty.
soooo a few things.
--yes - many hotels have switched to kiosks for check in. most still have attendants available if you'd prefer to talk to a human. that said - the kiosks are quick and easy and keep lines moving. MGM Grand has 5,000 rooms. you could have 30 people working check in and there would still be lines.
--not being able to use minibar fridges to keep stuff in is not a vegas thing - it's an everywhere thing. most hotels don't have fridges. some do. you can either pay for a mini fridge to be brought to your room - or you can tell them that you need a fridge for medication and they're supposed to give you one for free. highly unlikely that they will verify that you're actually using it for medication.
--mandalay bay is a beautiful property. nobody should have any concern about staying there whatsoever. the only criticism i might have is that it's the southernmost property on The Strip and thus far away from everything, let alone The Sphere. but if you don't care about casino hoping and seeing the sites and plan on taking an Uber to the venue? it's a great hotel.
--if you read enough reviews for any hotel anywhere you're bound to find a few nightmare stories of dirt, grime, bed bugs, moths and dead bodies. people typically don't go to review sites to post about how clean the place was. if you click on the Wynn's reviews and filter out everything but 1 star reviews you'll find reviews where rooms were dirty, smelly, noisy and had terrible service. but, like, it's The Wynn. It's an absolutely gorgeous hotel.
if, perchance, you happen to check into a hotel room that clearly hasn't been cleaned from the night before? tell the front desk and have them move you. it's rare - but again - 5,000 room hotels. mistakes happen.
obviously the lower rated the hotel? yea - odds will increase that you'll get a dud room. so sure - you're more likely to run into a dirty room that smells like smoke at Luxor or Flamingo than you are at Wynn or Cosmo. But the odds of getting an uncleaned room at any location are very slim. So, like - 1% chance vs. a 2% chance kinda deal. It happens, but it's unlikely.
And sure - rooms at the lower cost hotels will have more wear and tear to them than they will at Wynn or Cosmo. Well - of course. You wouldn't expect the same type of room or service at a Courtyard Marriot or Residence Inn that you would expect at The Four Seasons.
Generally speaking - if you book at any of the properties owned by the major casino operators - you're going to be perfectly fine.