About Bali Nine death sentence and Indonesia-Australia standoff

This is the latest news I followed, "Indonesians collect coins to protest Australian tsunami comments" (Yahoo 10 March 2015).
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I have no objection to death sentence for convicted drug traffickers. It is not revenge killing, BUT more to removing threats from society. Similarly, death sentence to Bali Bombing perpetrators served to remove threats from society. In this case, Australians and their government kept mum over the sentencing. Is there selective objection over death sentence here?
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Is Australia aware of the devastation caused by heroine (which is not RECREATIONAL drug) to any society?
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Now, if Australia really insist on not letting these Australian drug lords being subjected to death sentence, and was willing to dig-out the old issue of humanitarian aid it selflessly volunteered during the 2005 Tsunami crisis (Publicity then, Shame now - Abbott's blunder), then if I am with the Indonesian government, I would have suggested to the higher-up to just accept Australia's demand of not giving death sentence to these Australian drug lords.
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On two conditions.
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These two Australians will be locked up in Indonesian prison FOREVER.
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The cost of maintaining them will be footed by Australia, in which case the well-being of these two prisoners will be dependent on the amount paid by Australia.

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I would say, AUD 20,000 per month per head wouldn't be too big a deal. On top of that, whatever security measures, medical bill, and additional costs will be borne by Australia. Also, if these two prisoners escaped (due to whatever reason), Australia will have to pay compensation to Indonesia for "letting loose" two threats to Indonesian society yet again.
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Just an alternative thought.