We are definitely not going to agree.
The data is not biased just because someone made a determination on what data to collect. There is no cognitive bias involved in the actual data itself, but there may be one in the determination of what data is useful, but that is not the same thing at all.
ur evaluations as humans can be subject to cognitive biases that make observations in question due to systematic errors in our thought processes and errors, but that comes into play afterwards. If, for example, we determine BA to be significant, that poses no actual bias on the data itself, but only on the importance of it. This is a form of what is known as Selection Bias...