There are no laws for quotas in any country that force them on you. At most, there might be some lightweight directive that demand you try to fix extreme gender imbalances. Numerical quotas are not legalese. Companies define internally how they want to support gender and racial equality. Quotas also do not mean that you want everything to be 50/50 as a first milestone but try to infuse diversity in teams step by step. No company is going to force itself to continuously hire less qualified staff and harm their bottom line over a self imposed rule. Furthermore staffing is more complex than just how many years of experience one has. There are a lot of things that influence a decision. Even among 2 white male candidates, it is not necessarily that the one with the most work experience gets hired, sometime another candidate may have less experience overall but is fluent in a particular tech stack of interest, or maybe shows personality traits that make them more likeable and flexible in the eyes of their potential employer. As for your suggestion about hiring staff, bias affects men and women alike. Also even if you create a 50/50 hiring staff, male inherent bias and female learnt bias will still tilt the decision in a bad way. Bias needs decades to be unlearned.

In a perfect world we would not need quotas. We are far from a perfect world.