What would an IPO change? The article fails to explain this.. In a world where most western companies aim to go private, it should be public for foreign ones?

What would an IPO change? The article fails to explain this.. In a world where most western companies aim to go private, it should be public for foreign ones? I think data privacy laws are the only things needed, if privacy and data locality are considered, then companies like TikTok will be forced to comply, or won't be allowed to exist at all, problem solved! Priorities seems off..