Why does the current Destiny 2 playstyle not have the scope for a new class?

sportskeeda.com:

Destiny 2 is one of the best looter shooters in the market today. Players can pick either of the three classes in the game, namely:

Each player can create up to three characters. By doing so, they can explore all classes in the game.

However, given how Destiny 2 is designed, it is nearly impossible to see a fourth class in the game. Many other games have continuously added new classes over time. Neverwinter did it, and so did Warframe. For Bungie's prime looter shooter, a fourth class isn't an option, given the current state of the game.

The game has had three classes ever since the original Destiny franchise debuted. Bungie kept on building on those subclasses over the years, with the current subclass rework coming in right now in Destiny 2.

Although the Void and Solar rework is done, the game will see the arrival of the Arc 3.0 rework soon, and a new subclass after that. Keeping these factors in mind, there really isn't enough time to build a new class.

Creating a new class would mean making a whole new subclass lineup, which would include creating new abilities. Each class in Destiny 2 has over 30 Exotic Armor pieces and countless legendaries. With four subclasses already in the game and a fifth on the way, it is too much work to build a new class and design new aspects and fragments for every subclass.

While this is an issue on the developer's side, there are a few issues on the player's side as well. Many players take a lot of time to get a proper class build in Destiny 2. Since Exotics form the backbone of many builds, it will take time for the community to do the following:

A handful of players play all three classes religiously. On the other hand, most people focus on just one class. That said, adding a fourth class