Why are the back ups of Hunter Biden's laptop bigger than the files stored on Hunter Biden's hard drive on said laptop? David Weiss should have never

Why are the back ups of Hunter Biden's laptop bigger than the files stored on Hunter Biden's hard drive on said laptop?

David Weiss should have never been allowed to submit the hard drives as evidence:

https://storage.courtlistener.com/recap/gov.uscourts.ded.82797/gov.uscourts.ded.82797.120.0.pdf https://x.com/MichaelMcH46868/status/1864084115374411959