Because most liberals don’t consistently apply their own principles. A principle that liberals are inconsistent with is the juridical principle of imputation, the norm of legal and de facto responsibility matching. They ignore this norm’s routine violation in the capitalist firm. Here, despite the workers joint de facto responsibility for production, the employer is solely legally responsible for 100% of the positive and negative results of production while workers as employees get 0%
The root of the loss of community that everyone feels is capitalism’s total emphasis on institutional logics of exit that make everything extremely transactional while completely ignoring the dual institutional logic of commitment, cooperation and voice. Community emphasizes the latter. We need communities based around shared property, mutual aid and collective action. Incidentally, having such communities could help solve some public goods problems in a non-state manner and be more egalitarian