The syntax and usability of

    from sklearnex import patch_sklearn
    # The names match scikit-learn estimators
    patch_sklearn("SVC")

seems quite clunky. I'd have preferred a syntax like

    from sklearnex import SVC
    

Then, maintenance would be substantially easier. If sklearnex had import-level compatibility with sklearn it'd be as simple as some simple replacements,

    import sklearn --> import sklearnex as sklearn

    from sklearn.cluster import KMeans --> from sklearnex.cluster import KMeans

which seems much easier / clearer.