I don't think so, since access to life-prolonging technology might keep you alive long enough to get access to even better life-prolonging technology, and so on.
But it which case you never get frozen, so I don't see the point of this criticism.
Cryonics works like this: (1) you suffer "normal" death, (2) cryonicists move in to arrest all decay, (3) in the future, you may be revived using more advanced technology.
But if you live to see radical life extension, then step one never happens and so the others don't either.
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: