It's considered the 3rd biggest player in commercial plane market, but they are tiny in comparison. They have a lot of backend infrastructure built to keep operating, but they don't have the capital to swing for new, risky designs. One miss and they are at bankruptcy level.
They also missed the mark with their latest Embraer 175-E2 design by not being able to keep the weight under the US scope clause, so they lost a huge market segment.