[DerArzt]

The difference is "I need this to work the one time" vs "I need this to fail less than 1 out of 100 times".

A dirt ramp can help you get a truck up and over a 2 meter wall, but a properly built concrete ramp will work better long term.

[sjdv1982]

Yes, exactly. There are some tools that are used over and over again. But apart from that, dirt ramps are the norm in scientific computing. Once it gets you over the 2 meter wall of publication, it's disposable.