A 65-year-old male farmer presents with dizziness, fatigue, bone pain, and irregular fever for 2 months. Physical examination: anemic appearance, scattered petechiae on the skin, no sternal tenderness, spleen 2 cm below the costal margin. Laboratory tests: Hb 60 g/L, WBC 30×10<sup>9</sup>/L, PLT 25.6×10<sup>9</sup>/L, with 42% blasts. The family requests hospitalization. Which of the following management approaches is inappropriate?