You no longer need the buttons to select or enter, which makes life easier for the consumers.
Apple went ahead to add support for USB-C, so you can purchase a converter to connect the old mouse interface.You can use any wired mouse that supports the USB 2.0 interface.
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All 2.0 & wireless mouse work flawlessly on MacBook as long as it has a USB port & Bluetooth connectivity. You can connect an external mouse-like Magic Mouse or a third-party product from Logitech.
Of course, you can take one step towards solving the bug or glitch from time-to-time, but it’s a temporary solution. The latest macOS edition may have bugs & glitches that are causing the problems, and you cannot solve it until or unless the official developers release an update. We had many laptops that had keyboard & trackpad stopped working and resolved it using software-related solutions.
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You should consider software in mind because it is a well-known fact that functions don’t work when software & hardware communication is interrupted. The American manufacturer equipped MacBook with high-grade components, so it won’t break or stop working randomly.