They are only taking 20% of total supply not 49%

I) Percentage of tokens (the TenX Initial Token Sale and purposes including
community initiatives, business development, academic research, education and
market expansion)
80%
I.I) Percentage of tokens for the TenX Initial Token Sale 51%
I.II) Percentage of tokens for purposes including community initiatives, business
development, academic research, education and market expansion
29%
II) Percentage of tokens for founders, early backers and the development team for
a long term alignment of interests
20%