The short answer, if you spend too much time reading sensationalist media reports, is that you don't need people, instead you just need robots. You can happily make your staff redundant and replace them with robots — machines that don't take coffee breaks, don't need to get paid overtime, and don't take sick leave or require annual leave — the perfect employee!
Thankfully the above paragraph is nothing more than a work of fiction.
The very simple proposition is to recognize that if your tax function uses technology to carry out much of its work, then you will need people within your organization with tax skills and IT skills. However, critical to the success of your technology enabled tax function is that these skillsets need to meet in the middle — in other words, you will need your IT people to develop some tax skills, and your tax people to develop some IT skills.
To explore further, read the full report: Transforming the tax function through technology