If you hold a lot of savings, others had to get into debt to create the money that ended up in your bank account.
If EVERYONE decides to hoard cash, then the economy goes into a deflationary spiral and everyone's ability to save goes to zero. This is called the Paradox of Thrift.
Many folks on HN have huge savings accounts. Thank those that went into debt so you can have savings. They sacrificed their resilience for you to have yours.