Coming from a game dev perspective, it's not as simple as 'Rockstar made GTA V worse'. Every game has a budget and a timeline. More interiors mean more design, more art, more testing... greater expense overall. Plus, GTA V's expansive open-world with dynamic missions needed a lot of resources. Adding …
Well, from a development perspective, they both have their merits. Minecraft's focus on world-building encourages creativity and exploration, while Roblox's emphasis on player-created experiences promotes learning valuable skills like scripting and game design. It's apples and oranges really.