This is one of the reasons that traditional investors and big investors are afraid to enter this market. Large-scale attacks by hackers on websites, trading platforms, to steal assets Cryptocurrency is always an obsession for investors. We need to have a solution against hackers, this market is very potential but it does not attract many people, because it is too risky.
Banks are also targeted by hackers and people still keeps money in banks.
And the hacks don't really target wallets. An investor looks around very carefully (or pays somebody to) and see the reality: if some minimum common sense precautions are done, the Bitcoin is safe.
So no, the hacks are not the issue. Actually during the history the number of hacks seems to decrease and also the fuzz around them. The exchanges started to learn their lesson and stay more safe.